当前位置: 首页 > 图文教程 > 网络编程 > ASP > 关于释放session的两篇文章(一)

ASP
asp OpenTextFile文本读取与写入实例代码
在ASP编程中nothing代表什么意思?
asp之让Session永不过期
ASP获取ACCESS数据库表名及结构的代码
推荐一篇不错的新手asp编程的基本法则
最简洁的asp多重查询的解决方案
ASP 判断是否有中文的代码
asp.net常用函数收藏
asp下几种常用排序算法
asp获取数据库中表名和字段名的代码
简单的asp采集代码教程
asp生成带有样式的word文件方法
实用301转向到另一域名相应页面的asp代码
asp伪继承初探_实例代码
asp代理采集的核心函数代码
js table排序类代码
ASP UTF-8页面乱码+GB2312转UTF-8 +生成UTF-8格式的文件(编码)
Asp生成RSS的类_给网站加上RSS
utf-8 网页不显示+utf-8网页乱码的通用解决方法
asp截取指定英汉混合字符串_支持中文

ASP 中的 关于释放session的两篇文章(一)


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-11-03   浏览: 190 ::
收藏到网摘: n/a

  If you are using ASP 3.0 (the version of ASP that comes with Windows 2000 / IIS 5) then you can use the following syntax:

Session.Contents.Remove "name"

where Name is the name of the Session variable you wish to remove. Removing Session variables in this way has its advantages over using the following method:

Session("Name") = Null

Namely, the above method (setting a Session variable to Null) only removes the memory associated with the Session variable itself... the Session object still maintains a reference to it, though. Each Session variables is stored in the Session object with a key/item pair, similar to the Scripting.Dictionary object. Therefore, using the Null method above, you are not removing the key from the Session Contents collection that contains the reference to the variable...

With the Remove method that we looked at first, you are removing both the key and item associated with a Session variable. There is also a RemoveAll method that can be used to scrap all of the Session variables completely:

Session.Contents.RemoveAll

Again, the Remove and RemoveAll methods are new to ASP 3.0. If you have ASP 2.0, you will need to use the Null method